NULL pointer dereference in Qemu
CVE-2020-13659
address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (34.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu — versions 4.2.0
- Canonical Ubuntu Linux — versions 16.04, 18.04, 20.04
- Debian Linux — versions 9.0, 10.0
- openSUSE Leap — versions 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.gnu.org/archive/html/qemu-devel/2020-05/msg07313.html (Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/06/01/3 (Patch, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200608-0007/ (Third Party Advisory)
- www.debian.org/security/2020/dsa-4728 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/07/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html (vendor-advisory, Mailing List, Third Party Advisory, Broken Link)
- usn.ubuntu.com/4467-1/ (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202011-09 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13659?
- CVE-2020-13659 is a low-severity vulnerability in Qemu, classified under NULL Pointer Dereference. CVSS score: 2.5/10. Published 2020-06-02.
- How severe is CVE-2020-13659?
- Low severity. CVSS v3 base score is 2.5 out of 10.
- Is CVE-2020-13659 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.